| 单词 | cushion of air |
| 释义 | cushion of airalayerofairoften used tosupportamachineorvehicle: Ahovercrafttravelson acushionofair. Herealisedthat aheavyboatcould besupportedby acushionofair. Thetrainwillfloaton amagneticcushionofair, just above thetrack. Theairhockeypuckmovessoquicklybecause it'ssittingon acushionofair, so it nevertouchesthetabletop. Theironis apleasureto use,glidingas it does on acushionofair. Floating on acushionofair, thevehiclecantraveloverlandorsea. See also cushionnoun(SOFT THING) |
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